The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 23, 2022
Filed:
Sep. 01, 2020
Applicant:
Wavepia Co., Ltd., Gyeonggi-do, KR;
Inventor:
Sang-Hun Lee, Gyeonggi-do, KR;
Assignee:
WAVEPIA CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 64/209 (2017.01); B29C 64/295 (2017.01); B29C 64/30 (2017.01); B33Y 30/00 (2015.01);
U.S. Cl.
CPC ...
B29C 64/209 (2017.08); B29C 64/295 (2017.08); B29C 64/30 (2017.08); B33Y 30/00 (2014.12);
Abstract
A nozzle structure applying an RF heating device for a 3D printer, the structure includes: a nozzle unit for melting and discharging an inflowing material using heat transferred from the outside; a transfer unit for transferring the material to the nozzle unit; an RF nozzle heating unit for heating up the nozzle unit using a high frequency so that the material is melted in the nozzle unit; and a cooling unit for cooling down the heat discharged from the nozzle unitto the outside.